Strap sleeve



FIG. 1 is a perspective view of a strap sleeve showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is an enlarged top plan view thereof;

FIG. 7 is an enlarged bottom plan view thereof;

FIG. 8 is perspective view of the strap sleeve showing my design mounted to a sling of a weapon shouldered by a user; and,

FIG. 9 is a perspective view of the strap sleeve showing my design mounted to a shoulder strap of a bag donned by a user.

The broken lines depict environmental structure and are included for the purpose of illustrating only and form no part of the claimed design. 

CLAIM The ornamental design for a strap sleeve, as shown and described. 